Panasonic CX-CB9390A Service Manual ▷ View online
6 BLOCK DIAGRAM (Main Block)
5
MITSUBISHI / CX-CB9390A
7 BLOCK DIAGRAM ( CD Servo Block)
6
MITSUBISHI / CX-CB9390A
8.1. Main Block
IC600 : C2CBBFE000116
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
CLK
LED Drive Clock
O
0
2
LCK
Data losding Clock
O
0
3
P16/ANI16
(Connecting to Ground)
O
0
4
AVss
Ground
-
0
5
P130/ANO0
(Connecting to Ground)
O
0
6
P131/ANO1
(Connecting to Ground)
O
0
7
AVref1
Reference Voltage (for ADC)
-
5.0
8
P70/SI2/RxD
(Connecting to Ground)
-
0
9
ACC-ON
ACC Power on/off
O
0
10
P ON
System Power on/off
O
5.0
11
SOM (IN)
M-BUS Busy Input
I
2.8
12
SIM (OUT)
M-BUS Data
O
1.0
13
SCKM
M-BUS Clock
O
4.9
14
P23/STB (NC)
No Connection
-
-
15
M-BUSY.OUT
M-BUS Busy Output
O
0
16
M-BUSY.IN
Serial Data Input (for CD
Deck)
Deck)
I
0
17
M-BUS.SO
Serial Data Output (for CD
Deck)
Deck)
O
5.0
18
M-BUS.SCK
Data shift Clock (for CD Deck)
O
4.9
19
/MDON
CD ON Signal
O
4.9
20
/RESET
Reset Output
O
4.9
21
P42/AD2
(Connecting to Ground)
I
0
22
P43/AD3
(Connecting to Ground)
I
0
23
P44/AD4
(Connecting to Ground)
I
0
24
P45/AD5
(Connecting to Ground)
I
0
25
KS1
Key Scan Signal
O
0
26
KS0
Key Scan Signal
O
0
27
KI2
Key Data
I
0
28
KI1
Key Data
I
0
29
KI0
Key Data
I
0
30
LOAD-LED
Disc Load LED on/off
O
0
31
P54/A12
(Connecting to Ground)
I
0
32
P55/A13
(Connecting to Ground)
I
0
33
Vss
Ground
-
0
34
MUTE-1
Mute Control
O
0
35
P57/A15
(Connecting to Ground)
I
0
36
S.CONT
Audio Signal Selection
O
0
37
P61
(Connecting to Ground)
I
0
38
P62
(Connecting to Ground)
I
0
39
P63
(Connecting to Ground)
I
0
40
P64/RD
(Connecting to Ground)
I
0
41
A/D
(Connecting to Ground)
0
42
DECK-MUTE
(Connecting to Ground)
0
43
P5V-IN
(Connecting to Ground)
0
44
P30/TO0
(Connecting to Ground)
I
0
45
MUTE-2
Mute Control
O
0
46
REQ-PWM
(Connecting to Ground)
0
47
P33/TI1
(Connecting to Ground)
I
0
48
P34/TI2
(Connecting to Ground)
I
0
49
P35/PCL
(Connecting to Ground)
I
0
50
P36/BUZ
(Connecting to Ground)
I
0
51
P37
(Connecting to Ground)
I
0
52
P120/RTP0
(Connecting to Ground)
I
0
53
P121/RTP1
(Connecting to Ground)
I
0
54
P122/RTP2
(Connecting to Ground)
I
0
55
P123/RTP3
(Connecting to Ground)
I
0
56
TX (NC)
No Connection
-
-
57
RX (NC)
No Connection
-
-
58
P126/RTP6
(Connecting to Ground)
I
0
59
P127/RTP7
(Connecting to Ground)
I
0
60
RESET
Reset
I
4.9
61
M-DATA.IN
M-BUS Data
I
4.9
62
BATT-SENS
Battery Level Detection
I
4.9
63
ACC-SENS
ACC Level Detection
I
4.9
64
EJECT
Eject Key
I
4.9
65
P04/INTP4
(Connecting to Ground)
I
0
66
P05/INTP5
(Connecting to Ground)
I
0
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
67
P06/INTP6
(Connecting to Ground)
I
0
68
VDD
+5V Poewr Supply
-
4.9
69
X2
Crystal Osillator
-
2.8
70
X1
Crystal Osillator
I
2.4
71
IC
(Connecting to Ground)
-
0
72
XT2
Not Used
-
4.9
73
XT1/P07
(Connecting to Ground)
I
0
74
AVDD
ADC +5V Power Supply
-
4.9
75
AVref0
ADC Reference Voltage
-
4.9
76
P10/ANI0
(Connecting to Ground)
-
0
77
P11/ANI1
(Connecting to Ground)
-
0
78
P12/ANI2
(Connecting to Ground)
-
0
79
P13/ANI3
(Connecting to Ground)
-
0
80
DATA
LED Data
O
0
8 TERMINALS DESCRIPTION
7
MITSUBISHI / CX-CB9390A
8.2. CD Servo Block
IC201 : MN662785TBUC
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
DVDD3
+5V power supply
-
3.6
2
D0
D-RAM data
I/O
2.0
3
D1
D-RAM data
I/O
2.0
4
NWE
D-RAM data write
O
3.0
5
NRAS
D-RAM row address strobe
O
3.2
6
D2
D-RAM data
I/O
2.1
7
D3
D-RAM data
I/O
1.9
8
NCAS0
D-RAM columun address strobe
O
2.8
9
NCAS1
D-RAM columun address strobe
O
1.4
10
A8
D-RAM address
O
1.0
11-14 A7-4
D-RAM address
O
1.1
15
A9
D-RAM address
O
1.1
16-18 A0-A2
D-RAM address
O
1.1
19
A3
D-RAM address
O
1.1
20
DVSS2
Ground
-
0
21
DVDD2
+5V power supply
-
3.6
22
SPOUT
Not used
-
1.5
23
TRVP
Traverse motor control
O
1.9
24
TRVM
Traverse motor control
O
1.9
25
TRP
Trackng coil drive
O
1.9
26
TRM
Trackng coil drive
O
1.9
27
FDP
Focus coil drive
O
2.0
28
FDM
Focus coil drive
O
2.0
29
FBAL
Focus balance
O
1.9
30
TBAL
Tracking balance
O
1.9
31
CSEL
(Connecting to VDD)
-
3.6
32
FE
Focus error
I
2.0
33
TE
Tracking error
I
1.9
34
RFENV
RF envelope
I
1.9
35
OFT
Off track signal
I
0
36
NRFDET
RF detecting signal
I
0
37
BDO
Drop-out signal
I
0
38
LDON
Laser on signal
O
3.6
39
ARF
RF signal
I
1.9
40
IREF
Reference current input
I
1.2
41
ADPVCC
(Connecting to ground)
-
0
42
DSLF
Loop filter for DSL
-
2.0
43
DRF
Loop filter for DSL
-
2.2
44
PLLF
Loop filter for PLL
-
1.3
45
VCOF
VCO filter
-
1.3
46
AVDD2
+5V power supply
-
3.6
47
AVSS2
Ground
-
0
48
OUTL
L channel output
O
1.8
49
AVSS1
Ground
-
0
50
OUTR
R channel output
O
1.8
51
AVDD1
+5V power supply
-
3.5
52
FSEL
(Connecting to P3V)
-
3.7
53,54 -
(Connecting to ground)
-
0
55
FLAG
Flag output
O
0
56
CLVS
Servo status signal
O
3.6
57-60 -
Not used
-
-
61
MCLK
Clock for I/F command
I
2.4
62
MDATA
Date for I/F command
I
1.9
63
MLD
I/F command load
I
3.5
64
BLKCK
Subcode block clock
O
0
65
SQCK
Ext.clock for sub code-Q
I
3.5
66
SUBQ
Code for sub. code-Q
O
1.1
67
DMUTE
Mute input
I
0
68
STAT
Status signal
O
1.1
69
NRST
Reset input
I
3.6
70
SPPOL
Not used
-
-
71
PMCK
Clock output
O
2.0
72
SMCK
Clock output
O
1.9
73
SDATA
Serial data
O
0
74
LRCK
LR clock
O
0
75
BCLK
Bit clock
O
0
76
/TEST
(Connecting to VDD)
-
1.5
77
X1
Crystal oscillator
-
1.8
78
X2
Crystal oscillator
-
1.8
79
DVDD1
+5V power supply
-
3.6
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
80
DVSS1
Ground
-
0
IC301 : C2BBGF000364
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
PS
Motor power save
O
3.5
2
BR
Brake mode selection
O
0
3
GCTL
Motor G-control
O
1.6
4
SPCCTL
Motor speed control
O
3.5
5
-
Not used
-
-
6
MCLK
Clock for I/F command
O
2.9
7
MDATA
Data for I/F command
O
1.9
8
MLD
I/F command losd
O
3.5
9
VSS0
Ground
-
0
10
VDD0
+3V power supply
-
3.5
11
STAT
Status signal
I
1.2
12
FLOCK
Focus servo lock
O
0
13
TLOCK
Tracking servo lock
O
0
14
SENS
Servo status
O
0
15
SIM
CD changerserial data
I
3.1
16
SOM
CD changerserial data
O
2.2
17
SCKM
Serial data shift clock
I
3.2
18
SUBQ
Code for sub. code-Q
I
1.7
19
-
Not used
-
-
20
SQCK
Ext. clock for sub. code-Q
O
3.6
21
NRST
Reset output
O
3.6
22
DMUTE
Mute output
O
0
23
MUTE
Mute output
O
0
24
VDD1
+3V power supply
-
3.5
25
AVSS1
Ground
-
0
26
SW15
Feeder SW
I
3.6
27
SW3
Tray H SW
I
3.5
28
SW4
Disc push SW
I
0.5
29
SW5
Disc SW
I
0
30
SW6
Disc load SW
I
0
31
SW7
Eject SW
I
0
32
SW13
Eject2 SW
I
0
33
CLVS
Servo status
O
3.6
34
AVREF
+3V power supply
-
3.6
35
-
Not used
-
-
36
/RESET
Reset
I
3.6
37
XT2
Not used
-
-
38
XT1
(VDD pull-up)
-
3.6
39
IC(VPP)
(Connecting to ground)
-
0
40
X2
Crystal Osillator
-
2.1
41
X1
Crystal Osillator
-
1.8
42
VSS1
Ground
-
0
43
CDON
CD changer start/stop
I
3.1
44
BLKCK
Sub. code block clock
I
0
45
FG
Flag signal
I
1.9
46
BD0
Drop-out signal
I
0
47
FR
Revolution detection
I
0
48
TRV
Forced traverse control
O
1.9
49
PWM
Not used
-
-
50
VMI+
Horizontal motor control
O
0
51
VMI-
Horizontal motor control
O
0
52
MUTE1
Mute output
O
3.6
53
LODI+
Loading motor control
O
0
54
LODI-
Loading motor control
O
0
55
HMI+
Vertical motor control
O
0
56
HMI-
Vertical motor control
O
0
57
SW1
Inner SW
I
3.6
58
SW2
TrayG SW
I
0
59
SW8
Play SW
I
0
60
SW9
Clump SW
I
3.6
61
SW10
Shuter SW
I
3.6
62
SW11
Horizontal origin SW
I
3.6
63
SW12
Outer2 SW
I
3.7
64
SW14
Outer SW
I
3.6
8
MITSUBISHI / CX-CB9390A
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